Oyster mushrooms plugs on untreated lumber?

Has anyone tried wood-loving mushroom plugs in their untreated lumber odds and ends?

I will be experimenting with some extra oyster plugs I have, but love to hear from been-there-done-thats.

Kiln-dried lumber seems much more resistant to degradation by fungi than raw timber. An ancient spruce 2x4 on my property will last a decade out in the weather. A standing dead spruce of similar dimension breaks down much more quickly. I wonder if kiln drying slightly torrifies the wood, making it more resistant to decomposition.

I hesitate to post this, since I can't prove it -- it was told third-hand from somebody who knew a producer -- is that mild fungicides **may** be sprayed on dimensional lumber during its processing. This is pure hearsay, for the record, and may be pure BS.

Anyway, based on my direct observations, I'm not sure mushrooms would thrive in dimensional lumber as well as in a fallen tree. My 2c.

It probably depends on what species of tree your dimensional lumber came from, and whether it was store bought or locally sawn.  Most store bought lumber is pine, spruce or fir, none of which are particularly good for growing oyster mushrooms.  If your lumber is hardwood, I’d try it.  What do you have to lose besides a little effort and cost of spawn.  

You’d have to soak it well.

Douglas, thank you, good points to think on. I do wonder if industry standards for "untreated" include some methods of treatment. From what I've read they don't, but maybe on a massive scale production (as Kevin mentions--local vs non-local) this might be standard. I will keep that in mind. And yes, I'm also tracking wood species. Appreciate the input!